【单选题】During the course of a hardware repair session in a servicing company, an error message repeatedly appears on the monitor: “Missing Operating system, error loading operating system”. The technician im...
A.
Check if the correct boot device has been selected
B.
Check if the windows boot up file is corrupted
C.
Check if any BIOS setting has been changed recently
【单选题】During boot up, a laptop screen displays vertical colored lines and then the LCD screen goes blank. There are no display problems when connected to an external monitor. Which of the following actions ...